Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). stepping-stone. Retrieved September 20, 2026, from http://smartdefine.org/stepping-stone/definitions/2066298 |
| Chicago | Webster's. 2011. "stepping-stone" http://smartdefine.org/stepping-stone/definitions/2066298 (accessed September 20, 2026). |
| Harvard | Webster's 2011, stepping-stone, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/stepping-stone/definitions/2066298>. |
| MLA | Webster's. "stepping-stone" 28 May 2011. Web. 20 September 2026. <http://smartdefine.org/stepping-stone/definitions/2066298> |